/*
 * Copyright (c) 2022-2023 Shenzhen Kaihong Digital Industry Development Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

const { MockMessage } = require('./mock');
const { NapiLog } = require('./../hcs/NapiLog');

class XMessage {
  constructor() {
    this.messageType = XMessage.TYPE_NONE;
    try {
      this.vscode = acquireVsCodeApi();
      window.addEventListener('message', this.onRecv);
      this.messageType = XMessage.TYPE_VSCODE;
    } catch (err) {
      NapiLog.logError('Error:' + err);
    }
    this.callbackFunc = null;
    NapiLog.logInfo('Init XMessage : ' + this.messageType);
  }
  registRecvCallback(func) {
    this.callbackFunc = func;
  }
  onRecv(event) {
    if (XMessage.gi().callbackFunc !== null) {
      XMessage.gi().callbackFunc(event.data.type, event.data.data);
    }
  }
  send(msgtype, msgdata) {
    if (this.messageType === XMessage.TYPE_VSCODE) {
      this.vscode.postMessage({
        type: msgtype,
        data: msgdata,
      });
    } else if (this.messageType === XMessage.TYPE_NONE) {
      MockMessage.gi().processMessage({
        type: msgtype,
        data: msgdata,
      });
    }
  }
}

XMessage.TYPE_NONE = 0;
XMessage.TYPE_VSCODE = 1;

XMessage.pinstance_ = null;
XMessage.gi = function () {
  if (XMessage.pinstance_ === null) {
    XMessage.pinstance_ = new XMessage();
  }
  return XMessage.pinstance_;
};

module.exports = {
  XMessage,
};
